Cisco Nexus 1000V Virtual Ethernet Module (VEM) 4.0(4) SV1(1) through SV1(3b), as used in…
Priority LOW 38CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Cisco Nexus 1000V Virtual Ethernet Module (VEM) 4.0(4) SV1(1) through SV1(3b), as used in VMware ESX 4.0 and 4.1 and ESXi 4.0 and 4.1, does not properly handle dropped packets, which allows guest OS users to cause a denial of service (ESX or ESXi host OS crash) by sending an 802.1Q tagged packet over an access vEthernet port, aka Cisco Bug ID CSCtj17451.
Why it matters now
EPSS 0.01983 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(1\):*:*:*:*:*:* | 4.0(4) sv1\(1\) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(2\):*:*:*:*:*:* | 4.0(4) sv1\(2\) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(3\):*:*:*:*:*:* | 4.0(4) sv1\(3\) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(3a\):*:*:*:*:*:* | 4.0(4) sv1\(3a\) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(3b\):*:*:*:*:*:* | 4.0(4) sv1\(3b\) | Vulnerable | Cisco |
| cpe:2.3:a:vmware:esx:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:esx:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:esxi:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:esxi:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | VMware |
- cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(1\):*:*:*:*:*:* Versions 4.0(4) sv1\(1\) Vulnerable ·Cisco
- cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(2\):*:*:*:*:*:* Versions 4.0(4) sv1\(2\) Vulnerable ·Cisco
- cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(3\):*:*:*:*:*:* Versions 4.0(4) sv1\(3\) Vulnerable ·Cisco
- cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(3a\):*:*:*:*:*:* Versions 4.0(4) sv1\(3a\) Vulnerable ·Cisco
- cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(3b\):*:*:*:*:*:* Versions 4.0(4) sv1\(3b\) Vulnerable ·Cisco
- cpe:2.3:a:vmware:esx:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:esx:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:esxi:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:esxi:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·VMware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-0355
- 2026-10-03 Alias added: GHSA-gfg2-2gww-4ffv
References
Advisory 4
Sources
- CVE-2011-0355 · CVE Program
- CVE-2011-0355 · NVD
- FIRST EPSS
- GHSA-gfg2-2gww-4ffv · GitHub Advisory Database · CC BY 4.0
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